Police are __________ the disappearance of two children.A.looking outB.looking afterC.look

A.都有VANOS

B.都没有怠速阀

C.都具有VVT机构

D.都有两级DISA

A.IEC101

B.CDT

C.DISA

D.DNP3.0

A.IEC60870-5-101

B.u4F

C.SC1801

D.DISA

A．The temperature.

B．The amount of water falling.

C．Colder weather than usual.

D．The disasters.

From the article we know that the writer______.

A．thinks highly of Generation-X

B．feels disappointed with Generation-X

C．has a perfect understanding of Generation-X

D．suggests that the managers be strict with Generation-X

简述常用双核素(DISA)显像临床价值如何？

Why did Jim lose his previous job？

A．There were problems with punctuality.

B．There were disagreements with management.

C．The company was bought by another company.

According to the passage, what leads to the lack of qualified workers in the US？

A．The disadvantages of the agrarian-age education system.

B．The shortage of work opportunities due to the declining economy.

C．The cooling of American economy.

D．Both the education system and the workforce classification.

A.DL476

B.DL/T634.5104

C.DISA

D.CDT